on-a-horse-0.1: "Haskell on a Horse" - A combinatorial web framework Source code Contents Index

Control.Arrow.Transformer.LabeledArrow

Documentation

newtype Label Source

Constructors Label Integer Instances Read Label Show Label

class (Arrow a, Arrow a') => ArrowAddLabel a a' | a -> a' where Source

Methods runLabel :: a' (e, Label) b -> a e b Source Instances Arrow a => ArrowAddLabel (LabeledArrow a) a ArrowAddLabel a a' => ArrowAddLabel (ReaderArrow r a) (ReaderArrow r a') (ArrowAddLabel a a', ArrowChoice a, ArrowChoice a') => ArrowAddLabel (ErrorArrow ex a) (ErrorArrow ex a')

newtype LabeledArrow a i o Source

Constructors LabeledArrow (ReaderArrow Label a i o) Instances ArrowReader r a => ArrowReader r (LabeledArrow a) ArrowError ex a => ArrowError ex (LabeledArrow a) ArrowAddError ex a a' => ArrowAddError ex (LabeledArrow a) (LabeledArrow a') ArrowChoice a => ArrowChoice (LabeledArrow a) Arrow a => Arrow (LabeledArrow a) ArrowApply a => ArrowApply (LabeledArrow a) (Category a, Arrow a) => Category (LabeledArrow a) Arrow a => ArrowAddLabel (LabeledArrow a) a (Arrow a, Arrow a', ArrowAddAutomaton a a') => ArrowAddAutomaton (LabeledArrow a) (LabeledArrow a')

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